However, because oral medications must pass through the digestive system, to have the same efficacy as IV medications oral antibiotics must have high âbioavailabilityâ â the percentage of the drug that reaches the blood. Drugs administered via PICC lines have, by definition, 100 percent bioavailability.
A: Bactrim is a type of antibiotic used to treat a range of bacterial infections in the body according to WebMD. Physicians prescribe Bactrim to treat certain types of sexually transmitted diseases, urinary tract infections, respiratory illnesses, and various other infections.
Bactrim is a prescription medication used for treating various types of bacterial infections. It can also be used to prevent Pneumocystis carinii pneumonia in people with a weakened immune system. The combination drug contains two different antibiotics that work by inhibiting the production of folic acid in bacteria.